Which geographic feature was common to the development of civilizations in ancient Egypt, China, India, and Mesopotamia?

(A) rain forests

(B) deserts

(C) mountains

(D) river valleys

The radius of the Earth is apprximately 3,960 miles, while the radius of the Moon is approximately 1,080 miles. How many times larger is the surface area of the Earth than the surface area of the Moon?

A rhombus is ___ a parallelogram

Given the original statement "If a number is negative, the additive inverse is positive," which are true? Check all that apply. If p = a number is negative and q = the additive inverse is positive, the original statement is p → q.

If a bicycle wheel has a diameter of 21 inches what the exact circumference?

A parcel delivery company delivered 103,000 packages last year, when its average employment was 84 drivers. This year the firm handled 112,000 deliveries with 96 drivers. What was the percentage change in productivity over the past two years

Why does the LL theorem hold for proving right triangles congruent? A) The legs in right triangles are equal. B) The right angle is included between the legs. C) The hypotenuse is included between the legs.

V1 + v2 = 0 solve for v1

If Pablo $4200 to invest for college if Pablo invest $4200 for three years and earn $630 what is the simple interest rate

Write a quadratic equation having the given solutions - 8

Given that 6x = 7y, find the ratio x:y.